import axios from "axios";
const service=axios.create({
    responseType: 'ArrayBuffer'
})


service.interceptors.request.use(config=>{
    config.headers['Authorization'] =window.sessionStorage.getItem('tokenStr');
    return config;
},error=> {
        console.log(error);
    }
)

service.interceptors.response.use(resp=>{
    const headers= resp.headers;

    let reg= RegExp(/application\/json/);
    if (headers['content-type'].match(reg)){
        resp.data=unitToString(resp.data)
    }
    else {
        let fileDownload = require('js-file-download');
        let fileName=headers['content-disposition'].split(';')[1].split('fileName=')[1];
        let contentType = headers['content-type'];
        fileName = decodeURIComponent(fileName);
        fileDownload(resp.data,fileName,contentType);
    }

},error => {
    console.log(error);
})


function unitToString(unitArray){

    let encodedString = String.fromCharCode.apply(null,new Uint8Array(unitArray));
    let decodedString = decodeURIComponent(escape(encodedString));
    return JSON.parse(decodedString);

}


let  base = '';
export const downloadRequest=(url,params)=>{
    return service({
        method:'get',
        url:`${base}${url}`,
        data:params,
        responseType: 'blob'
    })
}

export default service;